Reservoir Dam River County Owner Completed Type Height of dam Reservoir capacity (ft) (m) (acre ft) (1,000 m3) Almaden Reservoir Almaden Dam Alamitos Creek Santa Clara Santa Clara Valley Water District 1935 Earth 108 feet (33 m) 1,5861,956 Alpine Lake Alpine Dam Lagunitas Creek Marin Marin Municipal Water District 1917 Gravity 143 feet (44 m) 8,89210,968 Anderson Lake Leroy Anderson Dam Coyote Creek Santa Clara Santa Clara Valley Water District 1950 Earth 235 feet (72 m) 91,280112,590 Antelope Lake Antelope Dam Upper Indian Creek Plumas California Department of Water Resources 1965 Earth 120 feet (37 m) 22,56627,835 Balsam Forebay Balsam Meadow Dam Balsam Creek, West Fork Fresno Southern California Edison 1986 Rock fill 127 feet (39 m) 2,0402,500 Barker Reservoir Barker Dam off stream reservoir Riverside Joshua Tree National Park 1949 ? 15 feet (5 m) 290? Barrett Lake Barrett Dam Cottonwood Creek San Diego County San Diego 1923 Concrete gravity 171 feet (52 m) 34,20642,192 Bass Lake Crane Valley Dam Willow Creek, North Fork Madera Pacific Gas and Electric Company 1910 Hydraulic fill 145 feet (44 m) 45,41056,010 Bear Gulch Reservoir Bear Gulch Dam off stream reservoir San Mateo California Water Service Company 1896 Earth 61 feet (19 m) 672829 Bear River Reservoir Bear River Dam Bear River Amador Pacific Gas and Electric Company 1900 Rock fill 83 feet (25 m) 6,8188,410 Beardsley Lake Beardsley Dam Stanislaus River, Middle Fork Tuolumne Oakdale & South San Joaquin Irrigation Districts 1957 Earth and rock 278 feet (85 m) 70,60087,000 Bethany Reservoir Bethany Forebay Dam Italian Slough tributary Alameda California Department of Water Resources 1961 Earth 95 feet (29 m) 5,2506,480 Big Bear Lake Bear Valley Dam Bear Creek San Bernardino Big Bear Municipal Water District 1911 Multiple arch 80 feet (24 m) 74,00051,00063,000 Eastman Lake Buchanan Dam Chowchilla River Madera and Mariposa United States Army Corps of Engineers 1975 Earth and rock 192 feet (59 m) 150,000185,000 Eaton Wash Reservoir Eaton Wash Dam Eaton Wash Los Angeles Los Angeles County Department of Public Works 1937 Rock fill 63 feet (19 m) 721889 El Capitan Reservoir El Capitan Dam San Diego River San Diego City of San Diego 1934 Hydraulic fill 237 feet (72 m) 112,800139,100 Elderberry Forebay Elderberry Forebay Dam Castaic Creek Los Angeles California Department of Water Resources 1974 Earth 179 feet (55 m) 28,40035,000 Englebright Lake Englebright Dam Yuba River Yuba United States Army Corps of Engineers 1941 Variable radius arch 280 feet (85 m) 70,00086,000 Fallen Leaf Lake Fallen Leaf Dam Taylor Creek El Dorado United States Forest Service 1934 Gravity 12 feet (4 m) 6,8008,400 Farmington Flood Control Basin Farmington Dam Rock Creek and Little John Creek San Joaquin United States Army Corps of Engineers 1951 Earth 58 feet (18 m) 52,00064,000 Florence Lake Florence Lake Dam San Joaquin River, South Fork Fresno Southern California Edison 1926 Multiple arch 149 feet (45 m) 64,40679,444 Folsom Lake Folsom Dam American River Sacramento, Placer and El Dorado United States Army Corps of Engineers 1956 Gravity 275 feet (84 m) 975,0001,203,000 Foster Lake Foster Lake Dam Lily Creek Riverside Idyllwild Water District Earth 5568 French Lake Reservoir French Lake Dam Canyon Creek Nevada Nevada Irrigation District 1859/1948 Rock fill 100 feet (30 m) 5515,400 French Meadows Reservoir L. L. Anderson Dam American River, Middle Fork Placer Placer County Water Authority 1965 Earth and rock 231 feet (70 m) 111,333137,327 Frenchman Lake Frenchman Dam Little Last Chance Creek Plumas California Department of Water Resources 1961 Earth 129 feet (39 m) 55,47768,430 Gene Wash Reservoir Gene Wash Dam San Bernardino Gibraltar Reservoir Gibraltar Dam Santa Ynez River Santa Barbara City of Santa Barbara 1920 Constant radius arch 169 feet (52 m) 9,998 Santa Clara Santa Clara Valley Water District 1935 Earth 142 feet (43 m) 3,4604,270 Hahamongna Devil's Gate Arroyo Seco Los Angeles Los Angeles County Department of Public Works 1920 Gravity and rock ? ??? Hansen Flood Control Reservoir Hansen Dam Tujunga Wash Los Angeles United States Army Corps of Engineers 1940 Earth 97 feet (30 m) 25,44631,387 Hensley Lake Hidden Dam Fresno River Madera United States Army Corps of Engineers 1974 Earth 163 feet (50 m) 90,000111,000 Hernandez Reservoir Hernandez Dam San Benito River San Benito San Benito County Water District 1962 Earth 124 feet (38 m) 18,00022,000 Hetch Hetchy Reservoir O'Shaughnessy Dam Tuolumne River Tuolumne City and County of San Francisco 1923 Gravity 312 feet (95 m) 360,000444,000 Hollywood Reservoir Mulholland Dam Weid Canyon Los Angeles Los Angeles Department of Water and Power 1924 Gravity 195 feet (59 m) 4,0364,978 Hume Lake Hume Lake Dam Ten Mile Creek Fresno United States Forest Service 1908 Multiple arch 51 feet (16 m) 1,4101,740 Huntington Lake Huntington Dams 1, 2, 3, and 4 Big Creek Fresno Southern California Edison 1913/1919 Gravity ? ?89,166109,985 Imperial Reservoir Imperial Diversion Dam Colorado River Imperial United States Bureau of Reclamation 1938 Gravity 23 feet (7 m) 1,0001,200 Indian Valley Reservoir Indian Valley Dam Cache Creek, North Fork Lake Yolo County Flood Control and Water Conservation District 1976 Earth 222 feet (68 m) 300,000370,000 Iron Canyon Reservoir Iron Canyon Dam Iron Canyon Creek Shasta Pacific Gas and Electric Company 1965 Earth 210 feet (64 m) 24,30030,000 Iron Gate Reservoir Iron Gate Dam Klamath River Siskiyou PacifiCorp 1962 Earth and rock 188 feet (57 m) 58,00072,000 Ivanhoe Reservoir Ivanhoe Reservoir Dam Manmade Los Angeles Los Angeles Department of Water and Power 1906 Earth ? ??? Jackson Meadows Reservoir Jackson Meadows Dam Yuba River, Middle Fork Nevada Nevada Irrigation District 1965 Rock fill 195 feet (59 m) 52,50064,800 Jenkinson Lake Sly Park Dam Sly Park Creek El Dorado El Dorado Irrigation District 1955 Earth 182 feet (55 m) 41,00051,000 Kent Lake Peters Dam Lagunitas Creek Marin Marin Municipal Water District 1954 Earth 230 feet (70 m) 32,90040,600 Keswick Reservoir Keswick Dam Sacramento River Shasta United States Bureau of Reclamation 1950 Gravity 118 feet (36 m) 23,77229,345 Lafayette Reservoir Contra Costa East Bay Municipal Utility District 1933 Open cut 4,2965,299 La Grange Reservoir La Grange Dam Tuolumne River Stanislaus and Tuolumne Turlock Irrigation District 1894 Gravity 131 feet (40 m) 500620 Canyon Dam Feather River, North Fork Plumas Pacific Gas and Electric Company 1927 Hydraulic fill 130401,308,0001,613,000 Medley Lakes Dam American River, South Fork, Tributary El Dorado El Dorado Irrigation District 1923 Gravity 2165,3506,600 Alpine Dam Silver Creek Alpine Northern California Power Agency 1906 Rock 49154,1225,084 Jackson Creek Dam Jackson Creek Amador Jackson Valley Irrigation District 1965 Earth and rock 1935922,00027,000 Lake Arrowhead Dam Little Bear Creek San Bernardino Arrowhead Lake Association 1922 Hydraulic fill 1905848,00059,000 Monticello Dam Putah Creek Napa United States Bureau of Reclamation 1957 Variable radius arch 255781,602,0001,976,000 Pit 3 Dam Pit River Shasta Pacific Gas and Electric Company 1925 Concrete gravity 1203734,60042,678 Bradbury Dam Santa Ynez River Santa Barbara United States Bureau of Reclamation 1953 Earth 20161205,000253,000 Calero Dam Deer Creek Sacramento Rancho Murieta Community Services District 1982 Earth 55 feet (17 m) 2,8323,493 Casitas Dam Coyote Creek Ventura United States Bureau of Reclamation 1959 Earth 27985254,000313,000 North Fork Dam North Fork American River Placer United States Army Corps of Engineers 1939 Variable radius arch 1554714,70018,100 Grizzly Valley Dam Big Grizzly Creek Plumas California Department of Water Resources 1966 Earth and rock 1153583,000102,000 Del Valle Dam Arroyo Valle Alameda California Department of Water Resources 1968 Earth 2226877,10095,100 Banning Dam Eleanor Creek Ventura Conejo Open Space Conservation Agency 1889 Gravity 3711?? Austrian Dam Los Gatos Creek Santa Clara San Jose Water Agency 1950 Earth 185566,2007,650 Hall Mill Dam Indian Creek Riverside U. S. Forest Service Gallaher Dam Bear Trap Creek Riverside California Inland Empire Council, Boy Scouts of America 1966 Lake Gregory Dam Houston Creek San Bernardino San Bernardino County Regional Parks Division 1938 Earth 90272,1002,600 Parker Dam Colorado River San Bernardino and Mohave United States Bureau of Reclamation 1938 Variable radius arch 7523648,000799,000 Lake Hemet Dam San Jacinto River Riverside Lake Hemet Municipal Water District 1895 Masonry (arch) 135418,1009,800 Conn Creek Dam Conn Creek Napa City of Napa 1946 Earth 1253831,00038,000 Henshaw Dam San Luis Rey River San Diego Vista Irrigation District 1923 Hydraulic fill 12337.553,40065,700 Lake Hodges Dam San Dieguito River San Diego City of San Diego 1918 Multiple arch 1314030,25037,200 Santiago Dam Santiago Creek Orange Serrano Water District and Irvine Ranch Water District 1933 Earth 1364125,00031,000 Isabella Dam Kern River Kern United States Army Corps of Engineers 1953 Earth 18556568,000701,000 Chet Harritt Dam Quail Canyon Creek San Diego Helix Water District 1962 Earth 200619,79012,080 Terminus Dam Kaweah River Tulare United States Army Corps of Engineers 1962 Earth 25578143,000176,000 Lagunitas Dam Lagunitas Creek Marin Marin Municipal Water District 1872 Earth 4815341421 Loveland Dam Sweetwater River San Diego South Bay Irrigation District 1945 Variable radius arch 2036225,40031,300 Mathews Dam Cajalco Creek tributary Riverside Metropolitan Water District of Southern California 1938 Earth 26480182,000224,000 New Exchequer Dam Merced River Mariposa Merced Irrigation District 1967 Rock fill 4791461,032,0001,273,000 Coyote Valley Dam East Fork Russian River Mendocino United States Army Corps of Engineers 1959 Earth 16450122,400151,000 Nacimiento Reservoir Nacimiento Dam Nacimiento River San Luis Obispo Monterey County Water Resources Agency 1958 Rock fill 21064377,900466,133 Nimbus Dam American River Sacramento United States Bureau of Reclamation 1955 Gravity 47148,76010,810 Oroville Dam Feather River Butte California Department of Water Resources 1968 Earth 7422263,537,5774,363,530 Harold Reservoir Dam Antelope Valley tributary Los Angeles Palmdale Water District 1891 Earth 3093,8704,774 Perris Dam Bernasconi Pass Riverside California Department of Water Resources 1973 Earth 13040131,452162,143 Scott Dam Eel River Lake Pacific Gas and Electric Company 1921 Gravity 1384273,00090,000 Santa Felicia Dam Piru Creek Ventura United Water Conservation District 1955 Earth 21365100,000123,000 Ramona Dam Green Valley Road Creek San Diego Ramona Municipal Water District 1988 Earth 2286912,20015,000 Sabrina Dam Bishop Creek, Middle Fork Inyo Southern California Edison 1908 Rock fill 70218,37610,332 San Antonio Reservoir San Antonio Dam San Antonio River Monterey Monterey County Water Resources Agency 1965 Earth 20262335,000413,216 Shasta River Dam Shasta River Siskiyou Montague Water Conservation District 1928 Hydraulic fill 962950,00060,000 Lake Sherwood Dam Potrero Valley Creek Ventura Sherwood Development Company 1904 Constant radius arch 45142,6003,200 Box Canyon Dam Sacramento River Siskiyou Siskiyou County Flood Control & Water Conservation District 1969 Gravity 2046226,00032,000 Warm Springs Dam Dry Creek Sonoma United States Army Corps of Engineers 1982 Earth 31997381,000470,000 Lake Spaulding Dam Yuba River, South Fork Nevada Pacific Gas and Electric Company 1913 Variable radius arch 2758474,77392,231 Success Dam Tule River Tulare United States Army Corps of Engineers 1961 Earth 1424382,300101,500 Lake Tahoe Dam Truckee River Placer United States Bureau of Reclamation 1913 Gravity 144732,000903,000 Vermilion Valley Dam Mono Creek Fresno Southern California Edison 1954 Earth 16751125,000154,000 Van Arsdale Dam South Eel River Mendocino Pacific Gas and Electric Company 1907 Gravity 9629700860 Wishon Dam North Fork Kings River Fresno Pacific Gas and Electric Company 1958 Rock fill 26581118,000146,000 Lake Yosemite Dam Merced River tributary Merced Merced Irrigation District 1888 Earth 53168,1019,992 Lewiston Lake Lewiston Dam Trinity River Trinity United States Bureau of Reclamation 1963 Earth 35.510.814,66018,080 Lexington Reservoir James J. Lenihan Dam Los Gatos Creek Santa Clara Santa Clara Valley Water District 1953 Earth 2086319,04423,490 Little Grass Valley Reservoir Little Grass Valley Dam South Fork Feather River Plumas South Feather Water and Power Agency 1961 Rock fill 2106493,010114,730 Little Rock Reservoir Little Rock Dam Little Rock Creek Los Angeles Little Rock Creek Irrigation District 1924 Gravity 124384,6005,700 Loch Lomond (California) Newell Creek Dam Newell Creek Santa Cruz Santa Cruz Water Dept. 1960 Earth 190 feet (58 m) 9,20011,300 Loon Lake Loon Lake Dam Gerle Creek El Dorado Sacramento Municipal Utility District 1963 Rock fill 1083376,50094,500 Lopez Lake Lopez Dam Arroyo Grande Creek San Luis Obispo San Luis Obispo County Flood Control and Water Conservation District 1969 Earth 1665152,50064,800Los Padres ReservoirLos Padres DamCarmel RiverMontereyCalifornia American Water Company1949Earth148451,7752,189 Los Vaqueros Reservoir (expanded) Los Vaqueros Dam off stream reservoir storing Delta diversions Contra Costa Contra Costa Water District 2012 Earth 21870160,000200,000 Lower Bear River Reservoir Lower Bear River Dam Bear River, Lower Amador Pacific Gas and Electric Company 1952 Rock fill 2537748,75060,130 Lower Hell Hole Reservoir Lower Hell Hole Dam Rubicon River Placer Placer County Water Authority 1966 Rock fill 410125208,400257,100 Lower Otay Reservoir Savage Dam Otay River San Diego City of San Diego 1919 Gravity 1494549,51061,070 Lyons Reservoir Lyons Dam Stanislaus River, South Fork Tuolumne Pacific Gas and Electric Company 1930 Arch dam 132406,4007,894 Malibu Reservoir Rindge Dam Malibu Creek Los Angeles California Department of Parks and Recreation 1924 Arch ? ??? Mammoth Pool Reservoir Mammoth Pool Dam San Joaquin River Fresno and Madera Southern California Edison 1960 Earth 406124123,000152,000 Martis Creek Lake Martis Creek Dam Martis Creek Nevada United States Army Corps of Engineers 1972 Earth 1133420,40025,200 McCloud Reservoir McCloud Dam McCloud River Shasta Pacific Gas and Electric Company 1965 Earth and rock 2407335,30043,500 McKay's Point Reservoir McKay's Point Diversion Dam Stanislaus River, North Fork Calaveras Calaveras County Water District 1989 Constant radius arch 233712,1002,600 Millerton Lake Friant Dam San Joaquin River Fresno and Madera United States Bureau of Reclamation 1942 Gravity 29991520,500642,000 Mittry Lake Laguna Diversion Dam Colorado River Imperial United States Bureau of Reclamation 1909 Earth and rock 1031,9502,410 Moccasin Reservoir Moccasin Dam Moccasin Creek Tuolumne San Francisco Public Utilities Commission 1930 Rock 6018554683 Modesto Reservoir Modesto Reservoir Dam Tuolumne River tributary Stanislaus Modesto Irrigation District 1911 Earth 36929,00036,000 Mojave River Forks Reservoir Mojave Forks Dam Mojave River, West Fork San Bernardino United States Army Corps of Engineers 1971 Earth 2046289,700110,600 Moon Lake Tule Lake Dam Cedar Creek Lassen John Hancock Mutual Insurance Company 1904 Earth 16539,50048,700 Morena Reservoir Morena Dam Cottonwood Creek San Diego City of San Diego 1912 Rock fill 1815550,20661,929 Morris Reservoir Morris Dam San Gabriel River Los Angeles Los Angeles County Department of Public Works 1935 Gravity 2457527,50033,900 Mountain Meadows Reservoir Indian Ole Dam Hamilton Creek Lassen Pacific Gas and Electric Company 1929 Flashboard and buttress 26824,80030,600 New Bullards Bar Reservoir New Bullards Bar Dam Yuba River, North Fork Yuba Yuba County Water Agency 1970 Variable radius arch 635194969,6001,196,000 New Hogan Lake New Hogan Dam Calaveras River Calaveras United States Army Corps of Engineers 1963 Earth 21064317,000391,000 New Lake New Lake Dam Little Bear Creek San Bernardino San Bernardino County 1976 Earth 225691,9702,430 New Melones Lake New Melones Dam Stanislaus River Calaveras United States Bureau of Reclamation 1979 Rock fill 5781762,400,0002,960,000 New Spicer Meadow Reservoir New Spicer Meadow Dam Highland Creek Tuolumne and Alpine Calaveras County Water District 1989 Rock fill 26280189,000233,000 Nicasio Reservoir Seeger Dam Nicasio Creek Marin Marin Municipal Water District 1961 Earth 1153522,40027,600 Olivenhain Reservoir Olivenhain Dam Escondido Creek tributary San Diego San Diego County Water Authority 2003 Gravity 3099424,90030,700 O'Neill Forebay O'Neill Dam San Luis Creek Merced United States Bureau of Reclamation 1967 Earth 642056,40069,600 Pacheco Reservoir North Fork Dam North Fork Pacheco Creek Santa Clara Pacheco Pass Water District 1939 Earth 100306,1507,590 Pacoima Reservoir Pacoima Dam Pacoima Creek Los Angeles Los Angeles County Department of Public Works 1929 Variable radius arch 3651113,7774,659 Palm Canyon Dam Reservoir Palm Canyon Dam Riverside Santa Rosa Band of Cahuilla Indians none (Palo Verde Valley Irrigation District) Palo Verde Diversion Dam Colorado River Riverside United States Bureau of Reclamation 1957 Earth and rock 4614?? Pardee Reservoir Pardee Dam Mokelumne River Amador and Calaveras East Bay Municipal Utility District 1929 Gravity 345105179,950221,960 Pilarcitos Reservoir Pilarcitos Dam Pilarcitos Creek San Mateo San Francisco Public Utilities Commission 1864 Pine Flat Lake Pine Flat Dam Kings River Fresno United States Army Corps of Engineers 1954 Gravity 4401341,000,0001,230,000 Pinecrest Lake Main Strawberry Dam Stanislaus River, South Fork Tuolumne Pacific Gas and Electric Company 1916 Rock fill 1434418,31222,588 Pit Six Reservoir Pit 6 Dam Pit River Shasta Pacific Gas and Electric Company 1965 Gravity 1725215,70019,400 Pit 7 Reservoir Pit 7 Dam Pit River Shasta Pacific Gas and Electric Company 1965 Gravity 2307034,00042,000 Poe Reservoir Poe Dam North Fork Feather River Butte Pacific Gas and Electric Company 1959 Diversion 62191,1501,418 Prado Reservoir Prado Dam Santa Ana River Riverside and San Bernardino United States Army Corps of Engineers 1941 Rock fill 10632314,400387,800 Prosser Creek Reservoir Prosser Creek Dam Prosser Creek Nevada United States Bureau of Reclamation 1962 Earth 1334129,80036,800 Puddingstone Reservoir Puddingstone Dam Walnut Creek Los Angeles Los Angeles County Department of Public Works 1928 Earth 1474516,34220,158 Pyramid Lake Pyramid Dam Piru Creek Los Angeles California Department of Water Resources 1973 Earth and rock 386118180,000222,000 Redinger Lake Big Creek 7 Dam San Joaquin River Fresno Southern California Edison 1951 Gravity 2337135,00043,000 Rollins Reservoir Rollins Dam Bear River Nevada Nevada Irrigation District 1965 Earth and rock 2427466,00081,000 Rowena Reservoir Rowena Reservoir Dam off stream reservoir Los Angeles Los Angeles Department of Water and Power 1901 Earth ? ?3039 Ruth Reservoir Robert W. Matthews Dam Mad River Trinity Humboldt Bay Municipal Water District 1962 Earth 1504651,80063,900 Salt Spring Valley Reservoir Salt Springs Valley Dam Rock Creek Calaveras Rock Creek Water District 1882 Earth 471410,90013,400 Salt Springs Reservoir Salt Springs Dam Mokelumne River, North Fork Amador and Calaveras Pacific Gas and Electric Company 1931 Rock fill 332101141,900175,000 San Andreas Lake San Andreas Dam San Mateo Creek tributary San Mateo City and County of San Francisco 1870 Earth 1073319,02723,470 San Antonio Reservoir James H. Turner Dam San Antonio Creek Alameda City and County of San Francisco 1964 Earth 1935950,50062,300 San Antonio Reservoir San Antonio Dam San Antonio Creek San Bernardino United States Army Corps of Engineers 1956 Earth 160497,5829,352 San Gabriel Reservoir San Gabriel Dam No. 1 San Gabriel River Los Angeles Los Angeles County Department of Public Works 1938 Earth and rock 3209844,18354,499 San Joaquin Reservoir San Joaquin Reservoir Dam Bonita Creek tributary Orange Irvine Ranch Water District 1966 Earth 224683,0363,745 San Luis Reservoir B. F. Sisk Dam (AKA San Luis Dam) San Luis Creek Merced United States Bureau of Reclamation 1967 Earth 305932,041,0002,518,000 San Pablo Reservoir San Pablo Dam San Pablo Creek Contra Costa East Bay Municipal Utility District 1920 Earth 1705243,19353,278 San Vicente Reservoir San Vicente Dam San Vicente Creek San Diego City of San Diego 1943 Gravity 20362242,000298,500 Santa Anita Reservoir Big Santa Anita Dam Rio Hondo tributary Los Angeles Los Angeles County Department of Public Works 1927 Variable radius arch 225698581,058 Santa Fe Reservoir Santa Fe Dam San Gabriel River Los Angeles United States Army Corps of Engineers 1947 Earth 922830,88738,098 Santa Margarita Lake Salinas Dam Salinas River San Luis Obispo United States Army Corps of Engineers 1942 Variable radius arch 1354126,00032,000 Santa Rosa Creek Reservoir Santa Rosa Creek Dam Santa Rosa Creek tributary Sonoma Sonoma County Water Agency 1963 Earth 37113,5504,379 Scotts Flat Reservoir Scotts Flat Dam Deer Creek Nevada County Nevada Irrigation District 1948 Earth 1755349,00060,000 Searsville Lake Searsville Dam Corte Madera Creek San Mateo County Stanford University 1890 Gravity 68219521,170 Sepulveda Flood Control Basin Sepulveda Dam Los Angeles River Los Angeles United States Army Corps of Engineers 1941 Earth 571717,42521,493 Seven Oaks Reservoir Seven Oaks Dam Santa Ana River San Bernardino United States Army Corps of Engineers 1999 Rock fill 550168145,600179,600 Shasta Lake Shasta Dam Sacramento River Shasta United States Bureau of Reclamation 1945 Gravity 5211594,552,2005,615,000 Shaver Lake Shaver Lake Dam Stevenson Creek Fresno Southern California Edison 1927 Gravity 18055135,283166,869 ? Sierra Madre Dam Santa Anita Creek Los Angeles Los Angeles County Department of Public Works 1928 Constant radius arch 69215163 Silver Lake Reservoir Silver Lake Reservoir Dam off stream reservoir Los Angeles Los Angeles Department of Water and Power 1907 Earth ? ?2,4003,000 Silverwood Lake Cedar Springs Dam Mojave River, West Fork San Bernardino California Department of Water Resources 1971 Earth and rock 2367273,00090,050 Skinner Reservoir Skinner Clearwell Dam off stream reservoir Riverside Metropolitan Water District of Southern California 1973/1991 Earth 441344,20054,400 Slab Creek Reservoir Slab Creek Dam American River, South Fork El Dorado Sacramento Municipal Utility District 1967 Variable radius arch 2337116,60020,500 Sly Creek Reservoir Sly Creek Dam Lost Creek Butte Oroville Wyandotte Irrigation District 1961 Earth 2718365,05080,240 Spring Creek Reservoir Spring Creek Dam Spring Creek Shasta United States Bureau of Reclamation 1963 Earth 184565,8747,246 Stampede Reservoir Stampede Dam Little Truckee River Sierra United States Bureau of Reclamation 1970 Earth 22669226,500279,400 Stevens Creek Reservoir Stevens Creek Dam Stevens Creek Santa Clara Santa Clara Valley Water District 1935 Earth 129393,4524,258 Stony Gorge Reservoir Stony Gorge Dam Stony Creek Glenn United States Bureau of Reclamation 1928 Gravity 1193650,35062,100 Sugar Pine Reservoir Sugar Pine Dam North Shirttail Creek Placer Foresthill Public Utility District 1981 Earth 251776,9168,531 Sulphur Creek Reservoir Sulphur Creek Dam Sulphur Creek Orange Orange County 1966 Earth 4213520641 Sweetwater Reservoir Sweetwater Dam Sweetwater River San Diego Sweetwater Authority 1888 Gravity arch type 1088828,07934,635 Thermalito Afterbay Thermalito Afterbay Dam Feather River tributary Butte California Department of Water Resources 1967 Earth 381257,04170,359 Tinemaha Reservoir Tinemaha Dam Owens River Inyo City of Los Angeles 1928 Earth 321016,40520,235 Topaz Lake Topaz Dam West Walker River Mono Walker River Irrigation District 1922 Earth 12237126,000155,000 Trinity Lake Trinity Dam Trinity River Trinity United States Bureau of Reclamation 1962 Earth 4571392,447,6503,019,130 Tulloch Reservoir Tulloch Dam Stanislaus River Calaveras Oakdale & South San Joaquin Irrigation Districts 1958 Gravity 2056268,40084,400 Turlock Lake Turlock Lake Dam Tuolumne River tributary Stanislaus Turlock Irrigation District 1915 Hydraulic fill 36945,60056,200 Twain Harte Lake Twain Harte Dam Sullivan Creek Tuolumne Twain Harte Lake Association 1928 Multiple arch dam 3611143176 Twitchell Reservoir Twitchell Dam Cuyama River San Luis Obispo United States Bureau of Reclamation 1958 Earth 21164240,000296,035 Union Valley Reservoir Union Valley Dam Silver Creek (American River tributary) El Dorado Sacramento Municipal Utility District 1963 Earth and rock 453138230,000284,000 Upper San Leandro Reservoir San Leandro Dam San Leandro Creek Alameda & Contra Costa East Bay Municipal Utility District 1926/1977 Earth 18255 42,00052,000 ? Jamestown Mines Tailings Dam Woods Creek tributary Tuolumne Tuolumne County 1994 Rock fill 2006112,10014,900 Uvas Reservoir Uvas Dam Uvas Creek Santa Clara Santa Clara Valley Water District 1957 Earth and rock 105329,93512,255 Vail Lake Vail Dam Temecula Creek Riverside Rancho California Water District 1949 Variable radius arch 1524650,00061,500 Vasona Reservoir Vasona Dam Los Gatos Creek Santa Clara Santa Clara Valley Water District 1935 Earth and rock 3410495611 ? Villa Park Dam Santiago Creek Orange Orange County 1963 Earth 1183615,60019,200 West Valley Reservoir West Valley Dam West Valley Creek Modoc South Fork Irrigation District 1936 Earth and rock 652023,00028,000 Whale Rock Reservoir Whale Rock Dam Old Creek San Luis Obispo Whale Rock Commission 1960 Earth 1935940,66250,156 Whiskeytown Lake Whiskeytown Dam Clear Creek Shasta United States Bureau of Reclamation 1963 Earth 26380241,100297,400 Whittier Narrows Reservoir Whittier Narrows Dam San Gabriel River Los Angeles United States Army Corps of Engineers 1957 Earth 561767,06082,720 Woodward Reservoir Woodward Dam Simmons Creek Stanislaus South San Joaquin Irrigation District 1918 Hydraulic fill 652035,00043,000
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